JPS5267504A - Speaking current supply and supervision system - Google Patents
Speaking current supply and supervision systemInfo
- Publication number
- JPS5267504A JPS5267504A JP14240375A JP14240375A JPS5267504A JP S5267504 A JPS5267504 A JP S5267504A JP 14240375 A JP14240375 A JP 14240375A JP 14240375 A JP14240375 A JP 14240375A JP S5267504 A JPS5267504 A JP S5267504A
- Authority
- JP
- Japan
- Prior art keywords
- current supply
- supervision system
- current
- speaking
- subscriber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14240375A JPS5267504A (en) | 1975-12-02 | 1975-12-02 | Speaking current supply and supervision system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14240375A JPS5267504A (en) | 1975-12-02 | 1975-12-02 | Speaking current supply and supervision system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5267504A true JPS5267504A (en) | 1977-06-04 |
| JPS5337683B2 JPS5337683B2 (enExample) | 1978-10-11 |
Family
ID=15314523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14240375A Granted JPS5267504A (en) | 1975-12-02 | 1975-12-02 | Speaking current supply and supervision system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5267504A (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52119807A (en) * | 1976-04-01 | 1977-10-07 | Meisei Electric Co Ltd | Circuit for discriminating using state of transmission line for automatic switching system |
| JPS54159114A (en) * | 1978-06-02 | 1979-12-15 | Cselt Centro Studi Lab Telecom | Electronic telephone circuit for subscriber channel |
| JPS572189A (en) * | 1980-06-04 | 1982-01-07 | Oki Electric Ind Co Ltd | Trunk switching circuit |
| KR20210143075A (ko) * | 2020-05-19 | 2021-11-26 | 삼성에스디아이 주식회사 | 반도체 소자 밀봉 필름용 에폭시 수지 조성물, 반도체 소자 밀봉용 필름 및 이를 이용하여 밀봉된 반도체 장치 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61139173U (enExample) * | 1985-10-30 | 1986-08-28 |
-
1975
- 1975-12-02 JP JP14240375A patent/JPS5267504A/ja active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52119807A (en) * | 1976-04-01 | 1977-10-07 | Meisei Electric Co Ltd | Circuit for discriminating using state of transmission line for automatic switching system |
| JPS54159114A (en) * | 1978-06-02 | 1979-12-15 | Cselt Centro Studi Lab Telecom | Electronic telephone circuit for subscriber channel |
| JPS572189A (en) * | 1980-06-04 | 1982-01-07 | Oki Electric Ind Co Ltd | Trunk switching circuit |
| KR20210143075A (ko) * | 2020-05-19 | 2021-11-26 | 삼성에스디아이 주식회사 | 반도체 소자 밀봉 필름용 에폭시 수지 조성물, 반도체 소자 밀봉용 필름 및 이를 이용하여 밀봉된 반도체 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5337683B2 (enExample) | 1978-10-11 |
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